IDEAL FOR SOLO TRAINING: Whether you're a beginner or an expert, our solo volleyball training assistant can easily practice arm strokes and pushes for you multiple times in a row. Without the help of others or chasing the ball with the rebounder bungee, solo training is no longer so tedious and fun. ADJUSTABLE ROPE LENGTH: The double reinforced elastic cord of the spike trainer can be adjusted in length. For the best exercise effect, we recommend that you find the best height and adjust the length of the elastic rope by increasing the length to 86 inches or shortening it to 43 inches for personal training, concentration, exercises. strokes and rotation of the arms. STANDARD HAND MOVEMENTS: Volleyball training equipment uses adjustable shoulder straps with plastic reinforcements to rest firmly on the palm to reinforce correct hand position on the ball, normalize hand movement or reduce strain when playing volleyball. adjustment, avoid touching the ball during training. IMPROVE BALL CONTROL SKILLS: Improve touch, positioning, points, overhand or underhand serve, arm swing, ball control and throwing, all of which can warm you up before your game or improve your volleyball skills. FITS ALL VOLLEYBALL SIZES: Our bag is made of lightweight materials and neoprene. It is suitable for sports balls of different sizes. It can be soccer, football or even basketball. Age, from children to teenagers to adults.